OLAPLEX No.4 Fine Bond Maintenance Shampoo in Beauty: NA This ultra-light volumizing shampoo for fine hair is clinically proven to strengthen, repair, and prevent future damage from everyday elements, styling, or salon services. The best shampoo for fine hair has to repair as it volumizes. N?. 4FINE gently removes buildup to leave hair clean and soft with lasting volume, body, and bounce - never weighed down or dried out.. Paraben free. Gently cleanses without stripping Strengthens and protects fine hair. Removes buildup to help volumize and lift at the roots. 250ml/ 8.5 fl oz. Apply to wet hair.. Lather thoroughly and rinse well.. OLAP-WU37. 20143575. About the designer: OLAPLEX is based on the principle of doing everything others don't and are changing the world of hair. Founded in 2014 by beauty industry veterans Dean and Darcy Christal, OLAPLEX is a team of chemists, industry experts and innovators developing beauty products based on science. Through a grassroots approach, the brand quickly became a global sensation, paving the way for a completely new category of haircare called bond-building. OLAPLEX restores damaged and compromised hair by repairing from the inside out with their revolutionary, patented technology that protects and repairs hair from damage. Once all the bonds are intact and in alignment, you have healthy, beautiful, shiny, touchable hair.